T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 2 – Arkady Leokum<\/p>\n\n\n\n
C\u01a1 th\u1ec3 m\u1ed9t ng\u01b0\u1eddi tr\u01b0\u1edfng th\u00e0nh ch\u1ee9a trung b\u00ecnh t\u1eeb 4,5 l\u00edt \u0111\u1ebfn 5 l\u00edt m\u00e1u. C\u00f3 kho\u1ea3ng 25 t\u1ec9 t\u1ebf b\u00e0o huy\u1ebft \u201cb\u01a1i\u201d trong l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng n\u00e0y. Ta kh\u00f3 m\u00e0 t\u01b0\u1edfng t\u01b0\u1ee3ng n\u1ed5i con s\u1ed1 n\u00e0y. C\u00e1c t\u1ebf b\u00e0o m\u00e1u r\u1ea5t nh\u1ecf, \u0111\u1ebfn n\u1ed7i ch\u1ec9 c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y tr\u00ean k\u00ednh hi\u1ec3n vi lo\u1ea1i m\u1ea1nh. N\u1ebfu ta cho c\u00e1c t\u1ebf b\u00e0o m\u00e1u ch\u1ee9a trong c\u01a1 th\u1ec3 m\u1ed9t ng\u01b0\u1eddi tr\u01b0\u1edfng th\u00e0nh x\u1ebfp h\u00e0ng m\u1ed9t thi\u1ec7t kh\u00edt v\u1edbi nhau, ta s\u1ebd c\u00f3 m\u1ed9t s\u01a1i d\u00e2y d\u00e0i \u0111\u1ee7 \u0111\u1ec3 qu\u1ea5n b\u1ed1n l\u1ea7n v\u00f2ng quanh tr\u00e1i \u0111\u1ea5t!<\/p>\n\n\n\n
T\u1ebf b\u00e0o huy\u1ebft t\u1eeb \u0111\u00e2u ra? R\u00f5 r\u00e0ng l\u00e0 \u201cnh\u00e0 m\u00e1y\u201d n\u00e0o s\u1ea3n xu\u1ea5t ra \u0111\u01b0\u1ee3c s\u1ed1 l\u01b0\u1ee3ng t\u1ebf b\u00e0o huy\u1ebft kh\u1ed5ng l\u1ed3 n\u00e0y ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t kinh kh\u1ee7ng l\u1eafm, nh\u1ea5t l\u00e0 khi ta bi\u1ebft th\u00eam r\u1eb1ng th\u01b0\u1eddng xuy\u00ean c\u00e1c t\u1ebf b\u00e0o n\u00e0y b\u1ecb ph\u00e2n r\u00e3 v\u00e0 b\u1ecb thay th\u1ebf b\u1eb1ng t\u1ebf b\u00e0o m\u1edbi. Nh\u01b0ng, c\u00e1i nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t ra s\u1ed1 l\u01b0\u1ee3ng kh\u1ed5ng l\u1ed3 t\u1ebf b\u00e0o huy\u1ebft l\u1ea1i kh\u00f4ng to l\u1edbn nh\u01b0 ta t\u01b0\u1edfng m\u00e0 ch\u1ec9 l\u00e0 c\u00e1c t\u1ee7y x\u01b0\u01a1ng. Nh\u00ecn v\u00e0o m\u1ed9t \u1ed1ng x\u01b0\u01a1ng b\u1ecb c\u1eaft ngang (t\u1ea5t nhi\u00ean l\u00e0 x\u01b0\u01a1ng c\u00f2n s\u1ed1ng), ta s\u1ebd th\u1ea5y m\u1ed9t ch\u1ea5t \u0111\u1eb7c s\u1ec1n s\u1ec7t m\u00e0u x\u00e1m \u0111\u1ecf x\u1ed1p. Ch\u1ea5t \u0111\u00f3 ch\u00ednh l\u00e0 t\u1ee7y x\u01b0\u01a1ng. \u0111\u01b0a l\u00ean k\u00ednh hi\u1ec3n vi, ta s\u1ebd th\u1ea5y m\u1ea1ng l\u01b0\u1edbi m\u1ea1ch m\u00e1u li ti ch\u1eb1ng ch\u1ecbt v\u00e0 c\u00e1c m\u00f4 li\u00ean k\u1ebft. \u1ede gi\u1eefa c\u00e1c m\u00f4 n\u00e0y v\u00e0 c\u00e1c m\u1ea1ch m\u00e1u c\u00f3 v\u00f4 v\u00e0n v\u00f4 s\u1ed1 t\u1ebf b\u00e0o t\u1ee7y s\u1ed1ng. T\u1ebf b\u00e0o m\u00e1u ph\u00e1t sinh t\u1eeb c\u00e1c t\u1ebf b\u00e0o t\u1ee7y n\u00e0y. L\u00fac c\u00f2n \u1edf trong t\u1ee7y x\u01b0\u01a1ng, c\u00e1c t\u1ebf b\u00e0o m\u00e1u \u0111\u00e3 l\u00e0 m\u1ed9t t\u1ebf b\u00e0o th\u1eadt s\u1ef1, c\u00f3 nh\u00e2n t\u1ebf b\u00e0o \u0111\u00e0ng ho\u00e0ng. Nh\u01b0ng tr\u01b0\u1edbc khi r\u1eddi t\u1ee7y x\u01b0\u01a1ng \u0111\u1ec3 nh\u1eadp v\u00e0o d\u00f2ng m\u00e1u, n\u00f3 l\u1ea1i \u0111\u00e1nh m\u1ea5t c\u00e1i nh\u00e2n \u1ea5y, do \u0111\u00f3 n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t t\u1ebf b\u00e0o m\u00e1u ch\u01b0a ho\u00e0n ch\u1ec9nh. \u0111\u1eddi s\u1ed1ng c\u1ee7a t\u1ebf b\u00e0o huy\u1ebft kh\u00f4ng l\u00e2u, nh\u01b0ng khi n\u00f3 c\u00f2n s\u1ed1ng th\u00ec n\u00f3 l\u00e0 m\u1ed9t c\u1ed7 m\u00e1y th\u1eadt s\u1ef1.<\/p>\n\n\n\n
T\u1ebf b\u00e0o huy\u1ebft gi\u1ed1ng nh\u01b0 m\u1ed9t tr\u00e1i banh l\u00e0m b\u1eb1ng nguy\u00ean sinh ch\u1ea5t (protoplasm) ch\u1ee9a \u0111\u1ea7y s\u1eafc t\u1ed1 \u0111\u1ecf g\u1ecdi l\u00e0 huy\u1ebft c\u1ea7u t\u1ed1 (hemoglobin). Ch\u1ee9c n\u0103ng duy nh\u1ea5t c\u1ee7a t\u1ebf b\u00e0o m\u00e1u l\u00e0 h\u00f3a h\u1ee3p v\u1edbi oxy \u1edf ph\u1ed5i r\u1ed3i \u0111\u01b0\u1ee3c chuy\u1ec3n v\u1eadn \u0111\u1ebfn c\u00e1c m\u00f4 v\u00e0 nh\u1ea3 oxy ra cho c\u00e1c t\u1ebf b\u00e0o kh\u00e1c h\u00f4 h\u1ea5p v\u00e0 thu l\u1ea5y kh\u00ed carbon dioxide sau \u0111\u00f3 quay tr\u1edf l\u1ea1i tim ph\u1ed5i \u0111\u1ec3 nh\u1ea3 CO2 ra v\u00e0 l\u1ea1i thu l\u1ea5y kh\u00ed oxy.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 2 – Arkady Leokum C\u01a1 th\u1ec3 m\u1ed9t ng\u01b0\u1eddi tr\u01b0\u1edfng th\u00e0nh ch\u1ee9a trung b\u00ecnh t\u1eeb 4,5 l\u00edt \u0111\u1ebfn 5 l\u00edt m\u00e1u. C\u00f3 kho\u1ea3ng 25 t\u1ec9 t\u1ebf b\u00e0o huy\u1ebft \u201cb\u01a1i\u201d trong l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng n\u00e0y. Ta kh\u00f3 m\u00e0 t\u01b0\u1edfng t\u01b0\u1ee3ng n\u1ed5i con s\u1ed1 n\u00e0y. C\u00e1c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-13893","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13893","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=13893"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13893\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}